Cluster · Algebraic Identities and Formulas

d
Clusters / #1146
tight score 0.00

Algebraic Identities and Symmetric Expressions
Questions
322
Questions in this cluster
320 total
Question Category Subtype Difficulty

If a + b + c = 6 and a2 + b2 + c2 = 14, then what is the value of (a - b)2 + (b − c)2 + (c- a)2?

pipeline-1295819
railways intermediate

If x = 3y + 4, then what is the value of (x3 - 27y3 - 36 xy)?

pipeline-1291728
railways intermediate

If (a + b + c) = 16, and (a2 + b2 + c2) = 90, find the value of (ab + bc + ca).

pipeline-1291715
railways intermediate

If l + m  + n = 0, then what will be the value of \((\frac{l^2}{mn}+\frac{m^2}{nl}+\frac{n^2}{lm})\) ?
 

pipeline-1289818
railways intermediate

The algebraic expression 4x2 - y2 + 6y - 9 is equal to equal to______.

pipeline-1289704
railways intermediate

If x + y = 14, then the value of x3 + y3 + 42xy is:

pipeline-1290963
railways intermediate

If \(2a-b=3\) and \(8a^3-b^3=999 \), then the value of \(4a^2-b^2\).

pipeline-1272225
railways intermediate

If a3 + b3 + c3 - 3abc = 250 and a + b + c = 10, then what is the value of ab + bc + ca?

pipeline-1269690
railways intermediate

If ( a + b + c ) = 17 and ( a2 +b2 + c) = 117, what is the value of \(( a- b )^2 + (b - c )^2 + (c - a )^2 ?\)

pipeline-1273229
railways intermediate

If a + b + c = 7 and a3 + b3 + c3 - 3abc = 301, then ab + bc + ca = ?

pipeline-1286892
railways intermediate

If x + y + z = 10 and x2 + y2 + z2  =80 then what is the value of 4xy + 4yz + 4zx?

pipeline-1263153
railways intermediate

If a + b + c = 5 and ab + bc + ca = 7, then the value of a3 + b3 + c3 - 3abc is :

pipeline-1267391
railways intermediate

If a - b = 10 and ab = 4, then the value of a- b3 + 4(a + b)2 is:

pipeline-1269547
railways intermediate

If (a2 + b2 + c2) = 64 , (ab + bc + ca) = 256 and abc = 987 then, find the value of (a3 + b3 + c3).

pipeline-1360755
railways intermediate

If 3a = 27b = 81c and abc = 144, then the value of \(12\left(\frac{1}{a}+\frac{1}{2b}+\frac{1}{5c}\right)\) is

pipeline-1263141
railways intermediate

If l + m  + n = 0, then what will be the value of \((\frac{l^2}{mn}+\frac{m^2}{nl}+\frac{n^2}{lm})\) ?
 

pipeline-1360564
railways intermediate

If a + b - c = 5 and ab - bc - ac = 10, then find the value of a2 + b2 + c2.

pipeline-1045363
railways intermediate

If a2 + b2 = 17, find the value of (a + b)2 + (a - b)2.

pipeline-1045360
railways intermediate

If (a3 + b3 + c3 - 3abc) = 405, and (a + b + c) = 15, find the value of (a - b)2 + (b - c)2 + (c - a)2.

pipeline-1046602
railways intermediate

If (a + b + c) ≠ 0, then (a + b + c) (a2 + b2 + c2 - ab - bc - ca) is equal to: 

pipeline-1040724
railways intermediate

If (a − 2b) = 8 and 2ab = 9, then find the value of (a + 2b).

pipeline-1040727
railways intermediate

Find the value of (a3 + b3+ c- 3abc), where a = 335, b= 215 and c = 180.

pipeline-1043388
railways intermediate

Simplify the following expression. \(\frac{(a^2+b^2-c^2)^2- (a^2-b^2+c^2)^2}{b^2-c^2}\)

pipeline-1040571
railways intermediate

If a + b + c = 5 and ab + bc + ca = 7, then the value of a3 + b3 + c3 - 3abc is :

pipeline-1043481
railways intermediate

If 4a + 9b = 3 and ab = -3, then find the value of (16a2 + 81b2).

pipeline-1023354
railways intermediate

If 2x + 3y = 9, and xy = 3, what is 8x3 + 27y3?

pipeline-1029859
railways intermediate

If x3 = 270 + y3 and x = (6 + y), then what is the value of (x + y)? (given that x > 0 and y > 0)

pipeline-1036632
railways intermediate

If x = 3y + 4, then what is the value of (x3 - 27y3 - 36 xy)?

pipeline-1025416
railways intermediate

If (a - b) = 9, and (a- b3) = 4401, find the value of ab.

pipeline-1029866
railways intermediate

If p + q +r = 0, then what is the simplified value of the expression ( \(\frac{p^2}{p^2 - qr} + \frac{q^2}{q^2 - pr} + \frac{r^2}{r^2 - pq}\) )

pipeline-1029843
railways intermediate

If a2 - b2 = 72 & ab = 27, find \(\frac{b}{a} - \frac{a}{b}\).

pipeline-1036655
railways intermediate

If 2x + 3y = 4 and 4x+ 9y2 = 64, then what is the value of 8x3 + 27y3.

pipeline-1025439
railways intermediate

If (a2 + b2 + c2) = 70 and (ab + bc + ca) = 63. What is the value of \({\sqrt9(a+b+c)^2}\over (ab+bc+ca)\)

pipeline-1023338
railways intermediate

If (x - y) = 6, (y - z) = 10 and (z - x) = 2, find the value of 2 × [(a3 + b3 + c3 - 3abc)/(a + b + c)].

pipeline-988459
railways intermediate

If a = 66, b = 68, c = 65, find the value of a3 + b3 + c3 - 3abc. 

pipeline-848562
railways intermediate

If (a + b + c) = 14, and (a3 + b3 + c3 - 3abc) = 98, find the value of (a2 + b2 + c2).

pipeline-1021842
railways intermediate

If a2 + b2 = 105 and a + b = 11, what would be the value of ab?

pipeline-854127
railways intermediate

If a6 + b6 – c6 + 2a3b3 – 9a2b2c2 + 6abc4 = 0, then what is the value of |(a + b)/c|?

pipeline-1021841
railways intermediate

If (x + y + z) = 3a then find the value of the expression (a – x)3 + (a – y)3 + (a – z)3.

pipeline-854134
railways intermediate

If y2 + 9x2 = 12 and yx = 6 then, find the value of (y + 3x)3/\(4\sqrt3\).

pipeline-826873
railways intermediate

If a2 + b2 + ab = 71 and a - b = 2, then find the value of a3 - b3.

pipeline-823624
railways intermediate

If (a2 + b2 + c2) = 64 , (ab + bc + ca) = 256 and abc = 987 then, find the value of (a3 + b3 + c3).

pipeline-841620
railways intermediate

x = (a - b), y = (b - c), z = (c + a) and (ab + bc + ca) = 8. Find x2 + y2 - z2.

pipeline-841614
railways intermediate

If (ab + bc + ca) = 18 and (a + b + c) = 15, find the value of (a2 + b2 + c2).

pipeline-827880
railways intermediate

Simplify the given equation: \({(a - b)^3 - (a + b)^3}\over {b^2 + 3a^2}\)

pipeline-827878
railways intermediate

If x + y + z = 9, x2 + y2 + z2 = 57 and xyz = -12, then the value of x3 + y3 + z3 is:

pipeline-826850
railways intermediate

If a + b + c = 7, and a3 + b3 + c3 - 3abc = 7, then find the value of (ab + bc + ca).

pipeline-827855
railways intermediate

If 3x - y = 12, xy = 15, then find the value of {x3 - (y3/27)}

pipeline-801664
railways intermediate

a + b = 8, and ab = 6. What is the value of a3 + b3

pipeline-801765
railways intermediate

If 25a+ b2 = 60, ab = 4, where a, b > 0 then, find the value of \(\sqrt{125a^3+b^3}\).

pipeline-801583
railways intermediate
Page 5 of 7