Find the square of 53 and 48 without actual multiplication.
please answer my question step by Step.
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the answer is
Step-by-step explanation:
53=(50+3) ^2
by using identity (a+b) ^2=a^2+b^2+2×ab
(50+3)^2=50^2+3^2+2×50×3
(50+3)^2=2500+9+300
(50+3)^2=2809
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