(a + 1)(a + 5)
(a - 5)(7a - 1)
(a + 5)(7a + 1)
a(7a + 1)
Correct answer is C
[(4a + 3) \(^2\) - (3a - 2)\(^2\) = a\(^2\) - b\(^2\) = (a + b) (a - b)
= [(4a + 3) + (3a - 2)] [(4a + 3) - (3a - 2)]
= [4a + 3 + 3a - 2] [4a + 3 - 3a + 2]
= (7a + 1)(a + 5)
(a + 5) (7a + 1)
If f(x - 4) = x2 + 2x + 3, Find, f(2)...
Simplify \(\frac{1}{1-x} + \frac{2}{1+x}\) ...
Find x if (x\(_4\))\(^2\) = 100100\(_2\)...
A car travel at x km per hour for 1 hour and at y km per hour for 2 hours. Find its average speed...
Each of the interior angle of a regular polygon is 162o. How many sides has the polygon?...
If sin θ = \(\frac{\sqrt{3}}{2}\) and 0 < θ < 180°, what is cos θ ?...