Advertisements
Advertisements
प्रश्न
Find the value of `(198 xx 198 - 102 xx 102)/96`
Advertisements
उत्तर
We have,
`(198 xx 198 - 102 xx 102)/96`
= `((198)^2 - (102)^2)/96`
= `((198 + 102)(198 - 102))/96` ...[Using the identity, a2 – b2 = (a – b)(a + b)]
= `(300 xx 96)/96`
= 300
APPEARS IN
संबंधित प्रश्न
Expand: 102 x 98
Using the identity (a + b)(a – b) = a2 – b2, find the following product
(p + 2)(p – 2)
Using the identity (a + b)(a – b) = a2 – b2, find the following product
(4 – mn)(mn + 4)
Evaluate the following, using suitable identity
297 × 303
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
x2 – 9
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
4x2 – 25y2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
3a2b3 – 27a4b
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
9x2 – 1
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`y^3 - y/9`
Factorise the expression and divide them as directed:
(3x2 – 48) ÷ (x – 4)
