যদি $x^{3} + h x + 10 = 0$ এর একটি সমাধান 2 হয় তবে h এর মান কত?

dsuc.created: 2 years ago | dsuc.updated: 3 months ago

dsuc.updated: 3 months ago

-9

-10

dsuc.explanation

511

common.best_ans:

x^{3} + h x + 10 = 0 \Rightarrow (2)^{3} + h (2) + 10 = 0 \Rightarrow 8 + 2 h + 10 = 0 \Rightarrow 2 h + 18 = 0 \Rightarrow 2 h = - 18 \Rightarrow h = - \frac{18}{2} \Rightarrow h = - 9

2 years ago

2 0

Md Azizur Rahman

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