Math, asked by mondalnazrul23, 8 months ago

5.
if m + n = 5 and mn =6 is, then (m+n) (m+n) =? ?​

Answers

Answered by aakash202067
0

Step-by-step explanation:

your answer is here thank you

Attachments:
Answered by PixleyPanda
3

Answer:

Step-by-step explanation:

m+n=5

Squaring both the sides

mx^{2} +nx^{2} +2mn=25

m²+n²+12=25

m^2+n^2=13

Now m^3+n^3=(m+n) (m^2+n^2-mn)

=5(13-6)

=35

Hence m^2+n^2) (m^3+n^3) =13(35)

=455

hope it helps

:)

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