Question

-2/7×-7/2 are in g.p then the value of x is ?

Answer 1

Answer:

Step-by-step explanation:. a=-2/7

ar= X

ar*r = -7/2

So,. Xr = -7/2.

{(-2/7) *r= x}

(-2/7)*r*r=-7/2

X =+1;-1