Question

If aabb is a 4-digit perfect square no. then find the value of (a+b).Show ur working.

Answer 1

number aabb can be written in the form
=1000a+100a+10b+b
=1100a+11b = 11(100a+b)
aabb=11*11*nsquare
whn n = 8
11*11*8=121*64=7744
this is in the form aabb
a+b=11

Answer 2

Answer:11

Step-by-step explanation:

number aabb can be written in the form

=1000a+100a+10b+b

=1100a+11b = 11(100a+b)

We know that it is divisible by 11 so divide aabb by 11

You will get quotient as a0b.

Now as it is a square number aob will be also divisible by 11

So apply divisibility rule of 11

a+b -0=11

thus it is a better answer without guessing.