Advertisements
Advertisements
Question
Find the squares of the following:
3p - 4q2
Sum
Advertisements
Solution
(3p - 4q)2
= (3p)2 - 2(3p)(4q) + (4q)2
= 9p2 - 24pq + 16q2.
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Simplify the following
`(7.83 + 7.83 - 1.17 xx 1.17)/6.66`
(a − b)3 + (b − c)3 + (c − a)3 =
Use the direct method to evaluate :
(4+5x) (4−5x)
Evaluate: `(3"x"+1/2)(2"x"+1/3)`
Expand the following:
(x - 5) (x - 4)
Simplify by using formula :
(a + b - c) (a - b + c)
If `"a" - 1/"a" = 10;` find `"a" + 1/"a"`
Factorise the following:
`(2x + 1/3)^2 - (x - 1/2)^2`
Factorise the following:
25x2 + 16y2 + 4z2 – 40xy + 16yz – 20xz
If a + b + c = 9 and ab + bc + ca = 26, find a2 + b2 + c2.
