Constant term in the expansion of `|[x^2+1,x+2,x+4],[x+4,x^2+5,x+7],[x-9,x-10,-12]|` is equal to

Constant term in the expansion of (x-(1)/(x))^(10) is -

The constant term in the expansion of (3^(x)-2^(x))/(x^(2)) is

find the constant term inthe expansion of (x^(2)-(1)/(x))^(9)

No. of terms in the expansion of (1+2x)^(9) +(1-2x)^(9) is :

Find the constant term in the expansion of (2x^(4)-(1)/(3x^(7)))^(11)

If the constant term, in binomial expansion of (2x^(r) + (1)/(x^(2)))^(10) is 180, then r is equal to ___________ .

The constant term in the product of (5x^(2) - 7x + 4) (7x - 8) is 12.