Math, asked by ishani1666, 5 hours ago

If m²-n²=19.Find m²+n².
plz answer.

Answers

Answered by stunanthika4873

0

Answer:

mark as brainlest

Step-by-step explanation:

(a+b)(a-b)=a²-b²

so, (m²-n²)(m²+m²)=m⁴-m⁴

Answered by Rina86169

3

Answer:

Answer:

Step-by-step explanation:

(a+b)(a-b)=a²-b²

so, (m²-n²)(m²+m²)=m⁴-m⁴

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