find out the square with out multiplication ( with the sums ) (i) 29^2 (ii) 34^2 (iii) 85^2 (iv) 95^2 (v) 66^2 (vi) 82^2 (vii) 102^2 ( with the sums )
ex : 42 = (30+9)^2 = 40(40+2)+2(40+2)
=40^2+40×2+2×40+2^2
=1600+80+80+4=1764
do the sum like ex
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Answer:
1) 841
2) 1156
3) 7225
4) 9025
5) 4356
6) 6724
7) 10404
Step-by-step explanation:
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