Advertisements
Advertisements
प्रश्न
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
p5 – 16p
Advertisements
उत्तर
We have,
p5 – 16p = p(p4 – 16) = p[(p2)2 – 42]
= p(p2 + 4)(p2 – 4)
= p(p2 + 4)(p2 – 22)
= p(p2 + 4)(p + 2)(p – 2)
APPEARS IN
संबंधित प्रश्न
The product of (x + 5) and (x – 5) is ____________
Using suitable identities, evaluate the following.
9.8 × 10.2
Using suitable identities, evaluate the following.
(132)2 – (68)2
Using suitable identities, evaluate the following.
(729)2 – (271)2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
28ay2 – 175ax2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
49x2 – 36y2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
16x4 – 81
Factorise the expression and divide them as directed:
(3x2 – 48) ÷ (x – 4)
The radius of a circle is 7ab – 7bc – 14ac. Find the circumference of the circle. `(pi = 22/7)`
Find the value of `(198 xx 198 - 102 xx 102)/96`
