please help me class 8 subject math solution ke sath solve kijiye okay please help me
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1. 68 + 66 = answer
2. 73 + 71 = answer
3. 32 + 30 = answer..
just add them
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Answer:
(i)268
(ii)288
(iii)124
Step by step explanation:
By using formula a²-b²= (a+b)(a-b)
(i) 68²-66²= (68+66)(68-66)
=134×2
=268
(ii) 73²-71²=(73+71)(73-71)
=(144)(2)
=144×2
=288
(iii)32²-30²=(32+30)(32-30)
=(62)(2)
=62×2
=124
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