if x - 2 = 7 then x is

If |[x,3, 6],[ 3, 6,x],[6,x,3]|=|[2,x,7],[x,7, 2],[ 7, 2,x]|=|[4, 5,x],[5,x,4],[x,4, 5]|=0, then x is equal to a. 0 b. -9 c. 3 d. none of these

If (x^(2) - x - 1)^(x^(2) - 7x + 12) = 1 then

If 2^(x).9^(2x+3) = 7^(x+5) , then x =

.Number of solutions of equation 2^x + 2^(x-1) + 2^(x-2) = 7^x + 7^(x -1) + 7^(x-2) is

The number of integral solutions of 2(x^(2)+(1)/(x^(2)))-7(x+(1)/(x)) +9=0 when x != 0 is

Multiply x^(2) - 4x + 7 by x - 2.

" if " |{:(x,,3,,6),(3,,6,,x),(6,,x,,3):}|= |{:(2,,x,,7),(x,,7,,2),(7,,2,,x):}|=|{:(4,,5,,x),(5,,x,,4),(x,,4,,5):}|=0 then x is equal to

Find the range of the expression (x^(2) + 34x - 71)/(x^(2) + 2x -7) , if x is a real.