If a + b = 3 and ab = 2 then what is the

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Home Questions 95SMR5N7WG

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

If a + b = 3 and ab = 2 then what is the value of 2a³ +2b³ ?

Options:

Correct Answer:

Explanation:

If a + b = 3

ab = 2

then what is the value of 2a³ +2b³

Put the values of a = 2 and b = 1

2a³ +2b³ = 2(2)³ +2(1)³

2a³ +2b³ = 16 + 2 = 18