Advertisements
Advertisements
प्रश्न
Find the following product: (x − 3) ( x − 2)
Advertisements
उत्तर
Here, we will use the identity \[\left( x - a \right)\left( x - b \right) = x^2 - \left( a + b \right)x + ab\].
\[\left( x - 3 \right)\left( x - 2 \right)\]
\[ = x^2 - \left( 3 + 2 \right)x + 3 \times 2\]
\[ = x^2 - 5x + 6\]
संबंधित प्रश्न
Simplify the following using the formula: (a − b)(a + b) = a2 − b2: (82)2 − (18)2
Simplify the following using the formula: (a − b)(a + b) = a2 − b2: (467)2 − (33)2
Simplify the following using the identities: \[\frac{{58}^2 - {42}^2}{16}\]
Evaluate the following: 53 × 55
Simplify:
(x2 – 4) + (x2 + 4) + 16
Expand the following, using suitable identities.
(2x + 9)(2x – 7)
Expand the following, using suitable identities.
`((2x)/3 - 2/3)((2x)/3 + (2a)/3)`
Expand the following, using suitable identities.
(x2 + y2)(x2 – y2)
Expand the following, using suitable identities.
(7x + 5)2
Using suitable identities, evaluate the following.
(103)2
