Question

If 3√ 5 625 m = , then the value of ‘m - 2 ’ is

Answer 1

Answer:

Correct option is

B

251

m+m=256

let m=t2

∴,t2+t=256

⇒25t2+25t−6=0

⇒t=2×25−25±625+4×25×6

t=50−25±1225

t=50−25±35

t=5010andt=50−60

∴,t=51 is correct answer

Now, m=t2=251

∴, Option B is correct.