Math, asked by swatissahu, 1 month ago

factorise: (a²-b²)(c²-d²)-4abcd

Answers

Answered by shiwkishor

0

Step-by-step explanation:

Given expression = a^2 c^2 - a^2 d^2 - b^2 c^2

+ b^2 d^2 - 4abcd

=( ac - bd)^2 - (ad + bc)^2

= (ac - bd - ad - bc) ( ac - bd +ad + bc )

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