If a+b=2c, find
(A) 2
(B) -1
(C) 0
(D) 1
If a, b are rational number and (a-1)√2+3=b√2+a, the value of (a+b) is :
(A) -3
(B) 5
(C) -5
(D) 3
If a-6b = 3 then the value of a3-216b3-54ab is :
(A) 27
(B) 64
(C) 9
(D) 1
if a3b = abc = 180, a, b, c are positive integers, then the value of c is
(A) 4
(B) 25
(C) 110
(D) 1
If
(A)
(B) 5
(C) 6
(D) 7
If for two real constants a and b the expression ax3+3x2-8x+b is exactly divisible by (x+2) and (x-2), then
(A) a = 2, b = -12
(B) a = -2, b = 12
(C) a = 2, b = 12
(D) a = 12, b = 12
Find the minimum value of x which the expression
x3-7x2+11x - 5 ≥ 0.
(A) 1
(B) - 3
(C) 0
(D) 5
If x = b+c -2a, y=c+a-2b, z=a+b-2c, then the value of x2+y2-z2+2xy is :
(A) a-b+c
(B) a+b-c
(C) 0
(D) a+b+c
Find the value of a and b if (x-1) and (x+1) are factors of x4+ax3-3x2+2x+b
(A) -2, 2
(B) 1, -1
(C) 2, -1
(D) -2, 1
If x2+y2-4x-4y+8=0, then the value of x-y is:
(A) 0
(B) 8
(C) 4
(D) -4
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