bunbuntuntun

Algebra Level 1

If a = 5 a = 5 and the relation between a a and b b is that a = b a =\sqrt{b} . Find b b


The answer is 25.

Dinesh Grover by Dinesh Grover , 20, India

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3 solutions

Mohammad Khaza
Oct 1, 2017

a = 5 = b a=5=\sqrt b

or, a 2 = 25 = b a^2=25=b

or, b = 25 b=25

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Mehul Arora
Jan 16, 2015

a a = b \sqrt{b}

5 5 = b \sqrt{b}

Squaring Both sides

25 25 = b b

*b = * 25 \boxed{25}

1 Helpful 0 Interesting 0 Brilliant 0 Confused

@Dinesh Grover, I have edited the L a T e X LaTeX . Check it once for accuracy.

Pranjal Jain - 6 years, 4 months ago

5 2 i s 25 5^2\ is\ 25 .......................... S q u a r i n g Squaring b o t h both s i d e s sides

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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