Advertisements
Advertisements
प्रश्न
Carry out the multiplication of the expression of the following pair.
ab, a − b
बेरीज
Advertisements
उत्तर
(ab) × (a − b)
= (ab × a) + [ab × (− b)]
= a2b − ab2
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Algebraic Expressions and Identities - EXERCISE 8.3 [पृष्ठ १००]
APPEARS IN
संबंधित प्रश्न
Carry out the multiplication of the expression of the following pair.
4p, q + r
Carry out the multiplication of the expression of the following pair.
a + b, 7a2b2
Complete the table.
| First expression | Second Expression | Product | |
| (i) | a | b + c + d | ... |
| (ii) | x + y − 5 | 5 xy | ... |
| (iii) | p | 6p2 − 7p + 5 | ... |
| (iv) | 4p2q2 | p2 − q2 | ... |
| (v) | a + b + c | abc | ... |
Find the product.
(a2) × (2a22) × (4a26)
Find the product.
`(2/3 xy) xx ((-9)/10 x^2y^2)`
Find the product.
`(-10/3 pq^3) xx (6/5p^3q)`
Find the product.
x × x2 × x3 × x4
Simplify 3x (4x − 5) + 3 and find its values for x = 3.
a (a2 + a + 1) + 5 and find its values for
- a = 0,
- a = 1,
- a = − 1.
Simplify 3x (4x −5) + 3 and find its values for x = `1/2.`
