Advertisements
Advertisements
प्रश्न
Find the following product: (x − 11) (x + 4)
Advertisements
उत्तर
Here, we will use the identity \[\left( x - a \right)\left( x + b \right) = x^2 + \left( b - a \right)x - ab\].
\[\left( x - 11 \right)\left( x + 4 \right)\]
\[ = x^2 + \left( 4 - 11 \right)x - 11 \times 4\]
\[ = x^2 - 7x - 44\]
APPEARS IN
संबंधित प्रश्न
Simplify the following using the identities: \[\frac{8 . 63 \times 8 . 63 - 1 . 37 \times 1 . 37}{0 . 726}\]
If 2x + 3y = 14 and 2x − 3y = 2, find the value of xy.
[Hint: Use (2x + 3y)2 − (2x − 3y)2 = 24xy]
Find the following product: (3x − 4y) (2x − 4y)
Evaluate the following: 102 × 106
Evaluate the following: 103 × 96
If 2x – 3y – 4z = 0, then find 8x3 – 27y3 – 64z3
Multiply the following:
(3x2 + 4x – 8), (2x2 – 4x + 3)
Using suitable identities, evaluate the following.
(98)2
Carry out the following division:
–121p3q3r3 ÷ (–11xy2z3)
Perform the following division:
(ax3 – bx2 + cx) ÷ (– dx)
