Add -3-2y-5y-2-6y-3-8-3y-7y-3- and -5-6y-8y-3-y-2- -3y-4y-2-5y-3-y-3y-2-5y-3-y-4y-2-5y-3-y-4y-2-6y-3-

The correct option is C y 4y^2+5y^3 To add : nbsp; (3+2y 5y^2+6y^3), ( 8+3y+7y^3) and (5 6y 8y^3+y^2) ( 8+3y+7y^3) does not have the term with y^2. So, we ...

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Byju's Answer

Standard VIII

Mathematics

Addition and Subtraction of Polynomials

Add (3+2y-5y^...

Question

Add $(3 + 2 y - 5 y^{2} + 6 y^{3}), (- 8 + 3 y + 7 y^{3})$ and $(5 - 6 y - 8 y^{3} + y^{2})$ .

$- 3 y - 4 y^{2} + 5 y^{3}$

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$- y - 3 y^{2} + 5 y^{3}$

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$- y - 4 y^{2} + 5 y^{3}$

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$- y - 4 y^{2} + 6 y^{3}$

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Solution

The correct option is C
$- y - 4 y^{2} + 5 y^{3}$

To add : $(3 + 2 y - 5 y^{2} + 6 y^{3}), (- 8 + 3 y + 7 y^{3})$ and $(5 - 6 y - 8 y^{3} + y^{2})$

$(- 8 + 3 y + 7 y^{3})$ does not have the term with $y^{2}$ . So, we add $0 y^{2}$ and hence, the expression will be $(- 8 + 3 y + 0 y^{2} + 7 y^{3})$ .

On adding there expressions, we get,
$3 + 2 y - 5 y^{2} + 6 y^{3}$
$- 8 + 3 y + 0 y^{2} + 7 y^{3}$
$5 - 6 y + y^{2} - 8 y^{3} - -------------------- -$
$- 1 y - 4 y^{2} + 5 y^{3}$

$(3 + 2 y - 5 y^{2} + 6 y^{3}) + (- 8 + 3 y + 7 y^{3}) + (5 - 6 y - 8 y^{3} + y^{2}) = (- y - 4 y^{2} + 5 y^{3})$

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Similar questions

Q. If p(y) = 4 + 3y − y² + 5y³, find (i) p(0), (ii) p(2), (iii) p(−1).

Q. Question 5
Simplify:

(2 x - 5 y)^{3} - (2 x + 5 y)^{3}

Add: $3 + 2 y - 5 y^{2} + 6 y^{3}, - 8 + 3 y + 7 y^{3}$ and $5 - 6 y - 8 y^{3} + y^{2}$ .

Adding $3 + 2 y - 5 y^{2} + 6 y^{3}, - 8 + 3 y + 7 y^{3}$ and $5 - 6 y - 8 y^{3} + y^{2}$ , we get

Q. Add

(3 + 2 y - 5 y^{2} + 6 y^{3}), (- 8 + 3 y + 7 y^{3})

and

(5 - 6 y - 8 y^{3} + y^{2})

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Add (3+2y−5y2+6y3), (−8+3y+7y3) and (5−6y−8y3+y2).

Add $(3 + 2 y - 5 y^{2} + 6 y^{3}), (- 8 + 3 y + 7 y^{3})$ and $(5 - 6 y - 8 y^{3} + y^{2})$ .