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wat is dis magical mathematics and its interstin approach how wil it help me durin iit jee plz xplain

wat is dis magical mathematics and its interstin approach


how wil it help me durin iit jee


plz xplain

Grade:12

1 Answers

AKASH GOYAL AskiitiansExpert-IITD
419 Points
10 years ago

Dear Babu

It will help to sove mathematics question in faster way. e.g.   to get square of any number ending 5

  1. Take the first digit and multiply it by the next highest number.
  2. Put "25" after the above computation.

    • Example: Square 65.

Take the first digit (6) and multiply it by the next highest number (7).
6 x 7 = 42
Place 25 after the product above. 42[25} --> 4225

All the best.

AKASH GOYAL

AskiitiansExpert-IITD

 

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