Math, asked by mathssolver10, 1 year ago

please solve this question.....
I HAVE EXAM TOMORROW ......
URGENTLY......
I WILL SURELY MARK AS BRAINLIEST...​

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Answers

Answered by palak5354
3

Step-by-step explanation:

p+q = 12

cubing both sides

(p + q)³ = 12³ = 1728

p³ + q³ + 3 × 27 ( p+q) = 1728

p³ + q³ + 81 × 12 = 1728

p³ + q³ = 1728 - 972 = 756

Answered by ColdZera
1

Answer:

756

Step-by-step explanation:

 {p}^{3}  +  {q}^{3}  =  {(p + q)}^{3}  - 3pq(p + q) \\  =  {12}^{3}  - 3(27)(12) \\  = 756

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