If a3 + b3 = 28 and a + b = 4 What is the value of ab?

A

3

B

12

C

63

D

10

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Updated: 13 hours ago

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1 + 3 + 5 + ................+ (2x - 1) কত? 

Created: 2 weeks ago

A

x(x - 1) 

B

x(x + 1)/2 

C

x(x + 1) 

D

x2

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a + b + c = 6 এবং a2+ b2 + c2 = 14 হলে ab + bc + ca এর মান কত? 

Created: 3 weeks ago

A

11

B

14

C

20

D

29

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x6 - y6 এর একটি উৎপাদক কোনটি?

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A

(x2 + y2)(x2 - y2)

B

(x2 + y2)

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D

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