Question

find the value of √2×√8

Answer 1

√16=√2×2×2×2=2×2=4 /////////////

Answer 2

Hi friend!!

√2 × √8

» We know, √a × √b = √ab

√2 × √8 = √16
= √4²
= 4

(or)

√2 × √8 = √2 × 2√2
= 2(√2)²
= 2(2)
= 4

so, √2 × √8 = 4