Answers

2016-03-13T19:49:08+05:30
Root under 12^2+root under 16^2=20
root under 12^2+16^2=20
root under 144+256=20
root under 400=20
20=20
so.L.H.S=R.H.S
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2016-03-13T20:08:48+05:30
If root have any number twice then we can take out once from the root.

like root 12x 12 = we can write 12

and 12 square means 12x12 so

in the same way root 12 square + root 16 square will be

12 +16 = 20

20= 20

LHS=RHS
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