Advertisements
Advertisements
प्रश्न
Expand : ( 5a - 3b + c )2
बेरीज
Advertisements
उत्तर
( 5a - 3b + c)2 = (5a)2 + (3b)2 + (c)2 - 2(5a)(3b) - 2(3b)(c) + 2(c)(5a)
= 25a2 + 9b2 + c2 - 30ab - 6bc + 10ca
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 : `( 3a + 2/b )( 2a - 3/b )`
Expand : `( x - 1/x + 5)^2`
If a2 + b2 + c2 = 35 and ab + bc + ca = 23; find a + b + c.
If a2 + b2 + c2 = 50 and ab + bc + ca = 47, find a + b + c.
If x+ y - z = 4 and x2 + y2 + z2 = 30, then find the value of xy - yz - zx.
In the expansion of (2x2 - 8) (x - 4)2; find the value of coefficient of x3.
If 2( x2 + 1 ) = 5x, find :
(i) `x - 1/x`
(ii) `x^3 - 1/x^3`
If a2 + b2 = 34 and ab = 12; find : 7(a - b)2 - 2(a + b)2
