Advertisements
Advertisements
प्रश्न
Evaluate the following: 102 × 106
Advertisements
उत्तर
Here, we will use the identity \[\left( x + a \right)\left( x + b \right) = x^2 + \left( a + b \right)x + ab\]
\[102 \times 106\]
\[ = \left( 100 + 2 \right)\left( 100 + 6 \right)\]
\[ = {100}^2 + \left( 2 + 6 \right)100 + 2 \times 6\]
\[ = 10000 + 800 + 12\]
\[ = 10812\]
APPEARS IN
संबंधित प्रश्न
Find the following product: (x + 4) (x + 7)
Find the following product: \[\left( y^2 + \frac{5}{7} \right)\left( y^2 - \frac{14}{5} \right)\]
Evaluate the following: 53 × 55
By using identity evaluate the following:
73 – 103 + 33
If 2x – 3y – 4z = 0, then find 8x3 – 27y3 – 64z3
Simplify:
(2.5m + 1.5q)2 + (2.5m – 1.5q)2
Simplify:
(b2 – 49)(b + 7) + 343
Simplify:
(s2t + tq2)2 – (2stq)2
Expand the following, using suitable identities.
`(2/3x - 3/2y)^2`
Expand the following, using suitable identities.
(2x + 9)(2x – 7)
