find the vvalour 407x393 by suitable identity
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Answered by
0
your answer is here 159951
Answered by
3
Given,
407 × 393 = {400 +7}×{400 - 7}
= (400)²-(7)².... by using (a²-b²) formula...
= 160000-49 = 159951 (Ans)...
Hope u understood...
407 × 393 = {400 +7}×{400 - 7}
= (400)²-(7)².... by using (a²-b²) formula...
= 160000-49 = 159951 (Ans)...
Hope u understood...
seetha4:
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