Advertisements
Advertisements
प्रश्न
Choose the right answers from the option:
The difference of the squares, (612 – 512 ) is equal to ______.
पर्याय
1120
1230
1240
1250
उत्तर
(612 – 512)
= (61 - 51)(61 51) ....(∵ (a2 - b2) = (a + b)(a - b))
= 10 × 112
= 1120
APPEARS IN
संबंधित प्रश्न
Factorise the following algebraic expression by using the identity a2 – b2 = (a + b)(a – b)
z2 – 16
Factorise the following algebraic expression by using the identity a2 – b2 = (a + b)(a – b)
9 – 4y2
Factorise the following algebraic expression by using the identity a2 – b2 = (a + b)(a – b)
25a2 – 49b2
Simplify using identities
(3p + q)(3p – q)
Multiply the following:
(a2 – b2), (a2 + b2)
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`(2p^2)/25 - 32q^2`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
x4 – y4 + x2 – y2
Factorise the expression and divide them as directed:
(2x3 – 12x2 + 16x) ÷ (x – 2)(x – 4)
Factorise the expression and divide them as directed:
(9x2 – 4) ÷ (3x + 2)
Find the value of `(198 xx 198 - 102 xx 102)/96`
