evaluate the following by using a suitable identity:291×309
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Answered by
12
the correct answer is 5319
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yuvrajvikram:
its wrong
How
ohh sorryt
sorry
bs ab mat karo
Answered by
40
(300-9)(300+9)
(a+b)(a-b) = a sq. - bsq.
90000 - 81
89919 ✓
(a+b)(a-b) = a sq. - bsq.
90000 - 81
89919 ✓
Thanx all of u to support me
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