Question

answer answer answer​

Answer 1

Hey mate❤

let * place of x

so,

x/21 × x /189 = 1

=>x²= 21×189

=>x=√(21×189)

=>x= √(7×3×7×3×3×3)

=>x= 7×3×3

=>x= 63

This:--

* in place of will be

= 63

so ,

options number (c) will be right

Hopes its helps u

@Abhi✌✌