Advertisements
Advertisements
प्रश्न
Simplify: `"b"("2b" - 1/"b") - "2b"("b" - 1/"b")`
उत्तर
`"b"("2b" - 1/"b") - "2b"("b" - 1/"b")`
`= "b" xx "2b" - "b" xx 1/"b" - "2b" xx "b" + "2b" xx 1/"b"`
= 2b2 - 1 - 2b2 + 2
= 2b2 - 2b2 - 1 + 2
= 1
APPEARS IN
संबंधित प्रश्न
Identify the terms, their coefficients for the following expressions.
`x/2 + y/2 - xy`
Write numerical co-efficient of the following: 3py2
In -5x3y2z4 ; write the coefficient of -5xy2z. Also, write the degree of the given algebraic expression.
Fill in the blank:
4a + 3b – 7a + 4b = _____
Add : 4 + x, 5 – 2x and 6x
Find the sum of: abc + 2 ba + 3 ac, 4ca – 4ab + 2 bca and 2ab – 3abc – 6ac
Find the sum of: -2a and +5
Find the missing term
2y(5x2y – ___ + 3 ___ ) = 10x2y2 – 2xy + 6y3
The numerical co-efficient of −7mn is
Identify the numerical coefficient of term (other than constant) in the following expression:
3.14 r2
