Advertisements
Advertisements
प्रश्न
Expand the following:
(2x + 3y + 4z)2
बेरीज
Advertisements
उत्तर
(2x + 3y + 4z)2
(a + b + c)2 ≡ a2 + b2 + c2 + 2ab + 2bc + 2ca
∴ (2x + 3y + 4z)2 = (2x)2 + (3y)2 + (4z)2 + 2(2x)(3y) + 2(3y)(4z) + 2(4z)(2x)
= 4x2 + 9y2 + 16z2 + 12xy + 24yz + 16zx
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Simplify the following using the identities: 1.73 × 1.73 − 0.27 × 0.27
Find the following product: (x − 11) (x + 4)
2p is the factor of 8pq
Simplify:
`(7/9 a + 9/7 b)^2 - ab`
Simplify:
(2.5m + 1.5q)2 + (2.5m – 1.5q)2
Expand the following, using suitable identities.
`((2x)/3 - 2/3)((2x)/3 + (2a)/3)`
Using suitable identities, evaluate the following.
(103)2
Using suitable identities, evaluate the following.
(1005)2
Carry out the following division:
17ab2c3 ÷ (–abc2)
Perform the following division:
(x3y3 + x2y3 – xy4 + xy) ÷ xy
