Advertisements
Advertisements
प्रश्न
Evaluate: (4 − ab) (8 + ab)
Advertisements
उत्तर
(4 − ab) (8 + ab) = 4 (8 + ab) − ab (8 + ab)
= 32 + 4ab − 8ab − a2b2
= 32 − 4ab − a2b2
APPEARS IN
संबंधित प्रश्न
If a + b + c = 0, then write the value of \[\frac{a^2}{bc} + \frac{b^2}{ca} + \frac{c^2}{ab}\]
If \[x^2 + \frac{1}{x^2} = 102\], then \[x - \frac{1}{x}\] =
If \[x^3 - \frac{1}{x^3} = 14\],then \[x - \frac{1}{x} =\]
If a + b + c = 0, then \[\frac{a^2}{bc} + \frac{b^2}{ca} + \frac{c^2}{ab} =\]
If a + b + c = 9 and ab + bc + ca =23, then a3 + b3 + c3 − 3abc =
If 49a2 − b = \[\left( 7a + \frac{1}{2} \right) \left( 7a - \frac{1}{2} \right)\] then the value of b is
Find the square of : 3a + 7b
Use the direct method to evaluate the following products :
(8 – b) (3 + b)
Expand the following:
(m + 8) (m - 7)
If p2 + q2 + r2 = 82 and pq + qr + pr = 18; find p + q + r.
