Math, asked by mahi7936, 7 hours ago

Simplify: (ab-pq)^2 - (ab+pq)^2 WITH SOLUTION PLEASE..​

Answers

Answered by sejalbedre45
2

Answer:

A(ΔPQR)

A(ΔABC)

=

PQ

2

AB

2

=

3

2

2

2

=

9

4

Answered by vansh2103
1

Answer:

(ab - pq {)}^{2}  - (ab + pq) {}^{2} \\ (ab {)}^{2}   +( pq {)}^{2}   - 2abpq  -  \: ((ab {)}^{2}  + (pq {)}^{2}  + 2abpq) \\ (ab {)}^{2}  + (pq {)}^{2}  - (ab {)}^{2}  - (pq {)}^{2}  - 2abpq - 2abpq (by \: opening \: bracket \: we \: change \: the \: sign)\\  =  - 4abpq

we use the formula (a+b)²= a²+b²+2ab

and (a-b)²= a²+b²-2ab

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