Can u please tell easy method for calculating squares - Maths - Mathematical Reasoning

Question

Can u please tell easy method for calculating squares

Ghanshyam Dhakar · Accepted Answer

Dear
student,
let example1  x = 132 = 10+32 use a+b2 =a2+b2+2abx = 100+9+60 = 169 answerexample2  x = 262 = 20+62 use a+b2 =a2+b2+2abx = 400+36+240 = 676 answerexample3  x = 1042 = 100+42 use a+b2 =a2+b2+2abx = 10000+16+800 = 10816answer
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Can u please tell easy method for calculating squares....