Question

in first sum find the velue given a=2 ,b= 1
use of simplification mathod​

Answer 1

3^0× 5^1÷ 4^0

=1× 5÷1

=5÷1

=5

a^2+ 2ab+ b^2

= (a + b)^2

= (2+1)^2

= 2^2 + 2×2×1 + 1^2

= 4 + 2×2 + 1

= 4+ 4 + 1

=8+1

= 9

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