Math, asked by ujjwalraj162004, 1 year ago

PLEASE SOLVE QUESTION 12.(12 Not 11)

Attachments:

Answers

Answered by namrata10101

1

Answer:

a²+c² = ab + cd

ab+cd = b² + d²

=> (a²+c²)×(b² + d²) = (ab+cd) × (ab + cd)

=>. a²b²+a²d² + b²c²+ c²d² = a²b²+abcd + abcd +c²d²

=> a²b²+a²d² + b²c²+ c²d²-a²b²-c²d² =2abcd

=>a²d² + b²c² = abcd

2

Hence,proved

Previous Question

Next Question

Similar questions

Social Sciences, 7 months ago

What is meant by jina...

Chemistry, 7 months ago

When calcium is added to water it does not catches fire. while sodium is less reactive than calcium but when added to water it catches fire. Why? Explain. No spam please...

Math, 7 months ago

07. Two trains of length 280m and 210m are travelling at the speed of 72km/hr and 54km/hr respectively on parallel tracks. how long will it take to pas each other if they travel in the respectively on parallel tracks How long will it take to pass each other if they travel in the same direction?

Math, 1 year ago

which of the following can be the length of the third side of a triangle whose two sides measure 18 cm and 14 cm?

Math, 1 year ago

can someone send me 14 math riddles Please help tommorow is my day ..... .

English, 1 year ago

who is the educational minister of india?

Science, 1 year ago

What is better food during. A journey...

Math, 1 year ago

Preteek purcheded 100 kg of rice at 25 per kg he sold 60 kg if it at a gain of 10% and 10kg at a loss of 4% at what price must he sell the remaining to gain 8% on the whole transaction...