Math, asked by rabitasalhaita61, 19 days ago

If (m-1/m) =9 find the value of m²+1/m²

Answers

Answered by yogeshgangwar044

2

Answer:

m² + 1/m² = 79

Step-by-step explanation:

given

m + 1/m = 9

square both side

( m + 1/m )² = 9²

we know (A+B)² = A² +B² + 2AB apply this

m² + (1/m)² + 2m×1/m = 81

m² + 1/m² +2 = 81

m² + 1/m² = 81-2

m² + 1/m² = 79

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