basic vector

I have doubt in option B How did a² - b² came Shouldn't it be a² + b²?

7 Replies

@Gyro Gearloose

Note for OP

+solved @user to close the thread when your doubt is solved. Mention the user who helped you solve the doubt. This will be added to their stats.

KaiZên•9mo ago

Your right. Option B is not the answer. Its a typo. I was confused as well so used this as refernce. https://www.doubtnut.com/qna/646664931

Gaurav•9mo ago

Thanks brother +solved @KaiZên

KaiZên•9mo ago

The OP can only use this cmd

SpoodermanOP•9mo ago

Oh sry actually that my second account +solved @KaiZên

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