Advertisements
Advertisements
Question
Subtract the second polynomial from the first.
`2ab^2 + 3a^2b - 4ab ; 3ab - 8ab^2 + 2a^2b`
Advertisements
Solution
`(2ab^2 + 3a^2b - 4ab) - (3ab - 8ab^2 + 2a^2b)`
`= 2ab^2 + 3a^2b - 4ab - 3ab + 8ab^2 - 2a^2b`
`= 2ab^2 + 8ab^2 + 3a^2b - 2a^2b - 4ab -3ab`
`= 10ab^2 + a^2b - 7ab`
APPEARS IN
RELATED QUESTIONS
There are ‘a’ trees in the village Lat. If the number of trees increases every year by ‘b’, then how many trees will there be after ‘x’ years?
Add the given polynomials.
`x^3 - 2x^2 - 9 ; 5x^3 + 2x + 9`
Add the given polynomial.
`-7m^4 +5m^3 + sqrt2 ; 5m^4 - 3m^3 + 2m^2 + 3m - 6`
Subtract the second polynomial from the first.
`x^2 - 9x + sqrt 3 ; -19x + sqrt 3 +7x^2`
Multiply the given polynomial.
`2x ; x^2 - 2x - 1`
Multiply the given polynomial.
`2y + 1 ; y^2 - 2y^3 + 3y`
Divide first polynomial by second polynomial and write the answer in the form ‘Dividend = Divisor × Quotient + Remainder’.
`x^3 - 64 ; x - 4`
Divide first polynomial by second polynomial and write the answer in the form ‘Dividend = Divisor × Quotient + Remainder’.
`5x^5 + 4x^4 - 3x^3 + 2x^2 +2;x^2-x`
Add the following polynomial.
`7x^4 - 2x^3 + x + 10 ; 3x^4 + 15x^3 + 9x^2 - 8x + 2`
Add the following polynomial.
`3p^3q+ 2p^2q + 7; 2p^2q + 4pq - 2p^3q`
Subtract the second polynomial from the first.
`5x^2 - 2y + 9 ; 3x^2 + 5y - 7`
Multiply the following polynomial.
`(m^3 - 2m + 3)(m^4 - 2m^2 + 3m + 2)`
Simplify.
(8m2 + 3m − 6) − (9m − 7) + (3m2 − 2m + 4)
Which polynomial is to be subtracted from x2 + 13x + 7 to get the polynomial 3x2 + 5x − 4?
Which polynomial is to be added to 4m + 2n + 3 to get the polynomial 6m + 3n + 10?
