Advertisements
Advertisements
प्रश्न
Find the value of : ( 67.8 )2 - ( 32.2 )2
Advertisements
उत्तर
( 67.8 )2 - ( 32.2 )2
= ( 67.8 + 32.2 )( 67.8 - 32.2 )
= 100 x 35.6
= 3560
APPEARS IN
संबंधित प्रश्न
Find the common factors of the terms.
12x, 36
Find the common factors of the terms.
2y, 22xy
Find the common factors of the terms.
16x3, −4x2, 32x
Factorise the following expression:
6p − 12q
Factorise the following expression:
5x2y − 15xy2
Factorise.
x2 + xy + 8x + 8y
Factorise.
z − 7 + 7xy − xyz
Factorize the following:
9x2y + 3axy
Factorize the following:
−4a2 + 4ab − 4ca
Factorize the following:
x2yz + xy2z + xyz2
Factories by taking out common factors :
2x(a - b) + 3y(5a - 5b) + 4z(2b - 2a)
Factorise:
`x^2 + 1/(4x^2) + 1 - 7x - 7/(2x)`
Factorise : `x^2 + 1/x^2 - 3`
Factorise : 4(2x - 3y)2 - 8x+12y - 3
Factorise : 2√3x2 + x - 5√3
Find the value of : ( 987 )2 - (13)2
Find the value of : `[(6.7)^2 - (3.3)^2]/[6.7 - 3.3]`
Factorise : 15x + 5
Factorise : 12abc - 6a2b2c2 + 3a3b3c3
factorise : 6x3 - 8x2
Factorise: 36x2y2 - 30x3y3 + 48x3y2
Factorise:
a2 – ab(1 – b) – b3
factorise : (ax + by)2 + (bx - ay)2
factorise : ab(x2 + y2) - xy (a2 + b2)
Factorise: a4 - 625
Factorise: x4 - 5x2 - 36
Factorise the following by taking out the common factors:
5a(x2 - y2) + 35b(x2 - y2)
Factorise the following by taking out the common factors:
12a3 + 15a2b - 21ab2
