উৎপাদকে বিশ্লেষণ কর :

2a2-6a-20

(উৎপাদকে বিশ্লেষণ কর)

Created: 3 months ago | Updated: 1 month ago
Updated: 1 month ago
Ans :

[ এখানে, 1 × (- 10) = - 10
2 × (- 5) = - 10
এবং 2-5 = -3 ]

2a2-6a-20

=2(a2-3a-10)

=2{a2-5a+2a-10}

= 2{a(a - 5) + 2(a - 5)}

= 2(a - 5)(a + 2)

Ans. 2(a - 5)(a + 2)

3 months ago

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(13-5)=8

(21-13)=8

So,(37+8)=45, (45+8)=53, (53+8)=61, (61+8)=69

Ans. 5,13,21,29,37,45,53,61,69.

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