Advertisements
Advertisements
प्रश्न
Find the value of : `[(18.5)^2 - (6.5)^2]/[18.5 + 6.5]`
Advertisements
उत्तर
`[(18.5)^2 - (6.5)^2]/[18.5 + 6.5]`
= `[(18.5 + 6.5 )(18.5 - 6.5)]/[(18.5 + 6.5)]`
= 12
APPEARS IN
संबंधित प्रश्न
Find the common factors of the terms.
16x3, −4x2, 32x
Find the common factors of the terms.
3x2y3, 10x3y2, 6x2y2z
Factorise the following expression:
20 l2m + 30 alm
Factorize the following:
20a12b2 − 15a8b4
Factorize the following:
2x3y2 − 4x2y3 + 8xy4
Factorize the following:
2l2mn - 3lm2n + 4lmn2
Factorize the following:
9x2y + 3axy
Factorize the following:
−4a2 + 4ab − 4ca
Factorize the following:
x2yz + xy2z + xyz2
Factorize the following:
ax2y + bxy2 + cxyz
Factorise:
`x^4 + y^4 - 27x^2y^2`
Factorise:
(2a - 3)2 - 2 (2a - 3) (a - 1) + (a - 1)2
Factorise : (a2 - a) (4a2 - 4a - 5) - 6
Factorise : 3 - 5x + 5y - 12(x - y)2
Factorise : 9x 2 + 3x - 8y - 64y2
Factorise : 2√3x2 + x - 5√3
Find the value of : ( 987 )2 - (13)2
Factorise : a3 - a2 +a
Factorise : 3x2 + 6x3
Factorise : 4a2 - 8ab
Factorise : 2b (2a + b) - 3c (2a + b)
factorise : 6x3 - 8x2
factorise:
9a (x − 2y)4 − 12a (x − 2y)3
Factorise:
a2 – ab(1 – b) – b3
factorise : xy2 + (x - 1) y - 1
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:
(a - b)2 -2(a - b)
Factorise the following by taking out the common factors:
81(p + q)2 -9p - 9q
Factorise:
`"p"^2 + (1)/"p"^2 - 3`
