Question
217 x 217 + 183 x 183 = ?
Answer: Option B
Was this answer helpful ?
`(217)^2` + `(183)^2` =` (200 + 17)^2` +`(200-17)^2`
= 2[`(200)^2` + `(17)^2`] `because [( a + b)^2 + (a - b)^2 = 2(a^2 + b^2)]`
2[40000 + 289 ] = ( 2 x 40289) = 80578
Was this answer helpful ?
More Questions on This Topic :
Question 1.
1397 x 1397 = ?
....
Question 2.
2056 x 987 = ?
....
Question 3.
107 x107 + 93 x 93 = ?
....
Question 4.
1904 x 1904 = ?
....
Question 5.
72519 x 9999 = ?
....
Question 6.
3897 x 999 = ?
....
Question 7.
587 x 999 = ?
....
Question 8.
35 + 15 `times` 1.5 = ?
....
Question 9.
5358 `times` 51 = ?
....
Question 10.
`(12)^3 ` x `6^4` `-:` 432 = ?
....
Latest Videos
Latest Test Papers
Submit Solution