Advertisements
Advertisements
प्रश्न
Find the value of : ( 987 )2 - (13)2
Advertisements
उत्तर
( 987 )2 - (13)2
= ( 987 + 13 )( 987 - 13)
= 1000 x 974
= 974000
APPEARS IN
संबंधित प्रश्न
Factorise the following expression:
7x − 42
Factorise the following expression:
7a2 + 14a
Factorise.
z − 7 + 7xy − xyz
Factorize the following:
3x − 9
Factorize the following:
5x − 15x2
Factorize the following:
72x6y7 − 96x7y6
Factorize the following:
2x3y2 − 4x2y3 + 8xy4
Factorize the following:
2l2mn - 3lm2n + 4lmn2
Factorize the following:
−4a2 + 4ab − 4ca
Factorise by taking out the common factors :
2 (2x - 5y) (3x + 4y) - 6 (2x - 5y) (x - y)
Factorise:
`x^4 + y^4 - 27x^2y^2`
Factorise : a - b - 4a2 + 4b2
Factorise:
(2a - 3)2 - 2 (2a - 3) (a - 1) + (a - 1)2
Factorise : (a2 - 3a) (a2 - 3a + 7) + 10
Factorise : 2√3x2 + x - 5√3
Factorise : 15x4y3 - 20x3y
Factorise : 6x2y + 9xy2 + 4y3
Factorise : 3x5y - 27x4y2 + 12x3y3
Factorise: 36x2y2 - 30x3y3 + 48x3y2
Factorise:
a2 – ab(1 – b) – b3
factorise : xy2 + (x - 1) y - 1
factorise : (ax + by)2 + (bx - ay)2
Factorise xy2 - xz2, Hence, find the value of :
40 x 5.52 - 40 x 4.52
Factorise the following by taking out the common factors:
p(p2 + q2 - r2) + q(r2 - q2 -p2) - r(p2 + q2 - r2)
Factorise:
x4 + y4 - 6x2y2
Factorise:
5x2 - y2 - 4xy + 3x - 3y
Factorise the following by taking out the common factor
18xy – 12yz
Factorise the following by taking out the common factor
9x5y3 + 6x3y2 – 18x2y
