Advertisements
Advertisements
प्रश्न
Expand : ( 5x - 3y - 2 )2
बेरीज
Advertisements
उत्तर
( 5x - 3y - 2 )2 = (5x)2 + (3y)2 + (2)2 - 2(5x)(3y) + 2(3y)(2) - 2(2)(5x)
= 25x2 + 9y2 + 4 - 30xy + 12y - 20x
shaalaa.com
Expansion of Formula
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Expand : ( X - 8 ) ( X + 10 )
Expand : ( x - 8 )( x - 10 )
Expand : ( 5a - 3b + c )2
If a2 + b2 + c2 = 35 and ab + bc + ca = 23; find a + b + c.
If x+ y - z = 4 and x2 + y2 + z2 = 30, then find the value of xy - yz - zx.
If x + 2y + 3z = 0 and x3 + 4y3 + 9z3 = 18xyz ; evaluate :
`[( x + 2y )^2]/(xy) + [(2y + 3z)^2]/(yz) + [(3z + x)^2]/(zx)`
If a + `1/a` = m and a ≠ 0; find in terms of 'm'; the value of `a^2 - 1/a^2`.
In the expansion of (2x2 - 8) (x - 4)2; find the value of coefficient of x2
If a2 + b2 = 34 and ab = 12; find : 7(a - b)2 - 2(a + b)2
If 3x - `4/x` = 4; and x ≠ 0 find : 27x3 - `64/x^3`
