217 x 217 + 183 x 183 = ?
217 x 217 + 183 x 183 = ? Correct Answer 80578
2172+1832
= 200+172+200-172
It is in the form of a+b2+a-b2=2a2+b2
= 2(40000 + 289) = 80578.
মোঃ আরিফুল ইসলাম
Feb 20, 2025