Advertisements
Advertisements
प्रश्न
Factorise the following.
p2 – 13p – 30
उत्तर
We have,
p2 – 13p – 30 = p2 – (15 – 2)p – 30
= p2 – 15p + 2p – 30
= p(p – 15) + 2(p – 15)
= (p – 15)(p + 2)
APPEARS IN
संबंधित प्रश्न
Factorise the following expressions
y2 – 10y + 25
Factors of 4 – m2 are
(p – q)2 = _______________
Expand the following square, using suitable identities
(b – 7)2
Using identity, find the value of (4.9)2
Square of 9x – 7xy is ______.
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
a2y2 – 2aby + b2
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
9x2 – 12x + 4
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
`x^2/4 - 2x + 4`
The curved surface area of a cylinder is 2π(y2 – 7y + 12) and its radius is (y – 3). Find the height of the cylinder (C.S.A. of cylinder = 2πrh).
