Melody08idn
Answered

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Pls help with part b. Will mark brainliest and report rubbish answers.

Thank you ppl!!​

Pls Help With Part B Will Mark Brainliest And Report Rubbish AnswersThank You Ppl class=

Sagot :

Mhanifaidn

Answer:

  • 81

Step-by-step explanation:

  • (x + y)⁴ =
  • ((x + y)²)² =
  • (x² + y² + 2xy)² =
  • (5 + 2*2)² =
  • 9² =
  • 81
ItzTdsidn

The given information is,

  • x² + y² = 5
  • xy = 2

[tex] \sf \: The \: solution \: of \: (b) \: will \: be, \\ \sf → (x + y)^4 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \sf → ((x + y)²)² \: \: \: \: \: \: \: \: \: \: \: \\ \sf → (x² + y² + 2xy)² \: \\ \sf → {5 + (2 × 2)}² \: \: \: \: \: \: \: \: \: \\ \sf \to (5 + 4)² \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ → \sf 9² = 81 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]

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