Advertisements
Advertisements
प्रश्न
Find the following product: \[\left( x + \frac{1}{5} \right)(x + 5)\]
Advertisements
उत्तर
Here, we will use the identity \[\left( x + a \right)\left( x + b \right) = x^2 + \left( a + b \right)x + ab\].
\[\left( x + \frac{1}{5} \right)\left( x + 5 \right)\]
\[ = x^2 + \left( \frac{1}{5} + 5 \right)x + \frac{1}{5} \times 5\]
\[ = x^2 + \frac{26}{5}x + 1\]
संबंधित प्रश्न
Simplify the following using the identities: 1.73 × 1.73 − 0.27 × 0.27
Evaluate the following: 35 × 37
Evaluate the following: 994 × 1006
Evaluate the following by using identities:
983
If (x + y + z) = 9 and (xy + yz + zx) = 26, then find the value of x2 + y2 + z2
Simplify:
(3x + 2y)2 – (3x – 2y)2
Expand the following, using suitable identities.
`((2x)/3 - 2/3)((2x)/3 + (2a)/3)`
Using suitable identities, evaluate the following.
(49)2
Using suitable identities, evaluate the following.
(98)2
Carry out the following division:
–121p3q3r3 ÷ (–11xy2z3)
