Math, asked by ayushchaurasiya77, 10 months ago

I can't understand the yellow coloured underlined formula.
Could some can explain what's that.
Generally, From Class 11th Chapter 9 Example 19.
Please help me

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Answered by ItzParth14

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I can't understand the yellow coloured underlined formula.

Could some can explain what's that.

Generally, From Class 11th Chapter 9 Example 19.

Please help me

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