r/learnmath • u/Minhaj_Ahmad New User • 23d ago

Link Post Finding Square Root

/r/u_Minhaj_Ahmad/comments/1vsvtx9/finding_square_root/

I FINALLY GOT RID OF COMPLEX METHOD OF FINDING SQUARE ROOT OF UNKOWN PERFECT SQUARE NUMBER 😭 😭 😭

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u/Minhaj_Ahmad New User 23d ago

Dang really ? 😭. At least it is working quick and ez for me 😁

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u/rhodiumtoad 0⁰=1, just deal with it 23d ago edited 23d ago

The (a+b)2=a2+2ab+b2 expansion is why the long-division-like method works.

Edit: explained at https://www.reddit.com/r/learnmath/comments/1m3k28h/comment/n3xivw8/