a ও b দুটি ধনাত্মক সংখ্যা এবং ab/x = √a হলে x/√b = কত?

A √a

B √ab

C √a/b

D √b/a

Correct Answer: Option B

ab/x = √a
or, x.√a = ab
or, x = ab/√a
or, x = (√a. √a.b)/√a
x = √a.b

তাহলে,

x/√b= √a.b/√b=√a.√b.√b/√b
or, x/√b=√a.√b=√ab