A29
B49
C20
D19
Answer:
19
Related Questions:
If, (x+1x)=4(x+\frac{1}{x})=4(x+x1)=4, then the value of x4+1x4x^4+\frac{1}{x^4}x4+x41 is:
In the expansion of (2x+y)3−(2x−y)3(2x + y )^3-(2x - y)^3(2x+y)3−(2x−y)3, the coefficient of x2yx^2yx2y is:
