Advertisements
Advertisements
प्रश्न
Expand the following:
(2p - 3q)2
बेरीज
Advertisements
उत्तर
(2p - 3q)2
= (2p)2 - 2(2p)(3q) + (3q)2
= 4p2 - 12pq + 9q2.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Expand the following, using suitable identity:
(–2x + 3y + 2z)2
Simplify the following products:
`(x/2 - 2/5)(2/5 - x/2) - x^2 + 2x`
Find the cube of the following binomials expression :
\[4 - \frac{1}{3x}\]
Find the following product:
\[\left( \frac{3}{x} - 2 x^2 \right) \left( \frac{9}{x^2} + 4 x^4 - 6x \right)\]
(a − b)3 + (b − c)3 + (c − a)3 =
If the volume of a cuboid is 3x2 − 27, then its possible dimensions are
Use the direct method to evaluate :
(ab+x2) (ab−x2)
Evaluate, using (a + b)(a - b)= a2 - b2.
4.9 x 5.1
If a2 + b2 + c2 = 41 and a + b + c = 9; find ab + bc + ca.
Simplify:
(3a + 2b - c)(9a2 + 4b2 + c2 - 6ab + 2bc +3ca)
