Advertisements
Advertisements
प्रश्न
Evaluate: (4 − ab) (8 + ab)
बेरीज
Advertisements
उत्तर
(4 − ab) (8 + ab) = 4 (8 + ab) − ab (8 + ab)
= 32 + 4ab − 8ab − a2b2
= 32 − 4ab − a2b2
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Without actually calculating the cubes, find the value of the following:
(28)3 + (–15)3 + (–13)3
If a − b = 4 and ab = 21, find the value of a3 −b3
Find the following product:
(x3 + 1) (x6 − x3 + 1)
If \[x^3 + \frac{1}{x^3} = 110\], then \[x + \frac{1}{x} =\]
If a + b + c = 9 and ab + bc + ca =23, then a3 + b3 + c3 − 3abc =
Use the direct method to evaluate the following products :
(3x – 2y) (2x + y)
Evaluate: `(2"a"+1/"2a")(2"a"-1/"2a")`
Expand the following:
(3x + 4) (2x - 1)
Simplify:
(3a + 2b - c)(9a2 + 4b2 + c2 - 6ab + 2bc +3ca)
Using suitable identity, evaluate the following:
1033
