x2 - y2 + 2y - 1 এর একটি উৎপাদক- 

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A

x + y + 1 

B

x - y 

C

x + y - 1 

D

x - y -1

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Updated: 2 weeks ago

Related MCQ

 

Created: 2 weeks ago

A

12

B

48

C

36

D

144

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Updated: 2 weeks ago

a = 1, b = -1, c = 2, d = - 2 হলে a - ( - b) - ( - c) - (- d) এর মান কত? 

Created: 3 months ago

A

B

C

D

3

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Updated: 3 months ago

(1/2){(a + b)2 + (a - b)2} = কত? 

Created: 3 months ago

A

a2 + b2 

B

a2 - b2 

C

{(a + b)2/2 - (a - b)2/2}

D

 (a + b)2 + (a - b)2

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Updated: 3 months ago

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