Multiplication of two numbers that differ by 4

Maths Tricks , short cut tricks for maths to make calculation easy and fast

Multiplication of two numbers that differ by 4 If two numbers differ by 4, then their product is the square of the number in the middle (the average of the two numbers) minus 4. Let me explain this rule by taking examples 22*26 = 24^2 - 4 = 572 98*102 = 100^2 - 4 = 9996: Example.
Understand the rule by 1 more example
148*152 = 150^2 - 4 = 22496; Is this maths trick helpful? (1303) (519) Post / Read comment (2)

Dimple

India

Punjab

Time: 00:01:33

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THROUGH SCIENCE WE DEVELOPED, AND MATHEMATICS IS THE MOTHER OF THE SCIENCE.

Lukman Hussaini

Six is a number perfect in itself, and not because God created the world in six days; rather the contrary is true. God created the world in six days because this number is perfect, and it would remain perfect, even if the work of the six days did not exis

Saint Augustine of Hippo

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Multiplication of two numbers that differ by 4

Maths Tricks , short cut tricks for maths to make calculation easy and fast