Concept-wise Practice

root-pair MCQ Questions for Class 10

root-pair se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with root-pair.

Question 1/1 Hard Mathematics Quadratic Equations Roots of a Quadratic Equation Class 10 Level 33

\(x^2+3x-18=0\) की जड़ों का सही युग्म कौन-सा है?

Which is the correct pair of roots of \(x^2+3x-18=0\)?

Explanation opens after your attempt
Correct Answer

A. (3) और (-6)(3) and (-6)

Step 1

Concept

The numbers with product (-18) and sum (-3) are (3) and (-6). Hence this is the correct pair of roots.

Step 2

Why this answer is correct

The correct answer is A. (3) और (-6) / (3) and (-6). The numbers with product (-18) and sum (-3) are (3) and (-6). Hence this is the correct pair of roots.

Step 3

Exam Tip

गुणनफल (-18) और योग (-3) वाली संख्याएँ (3) और (-6) हैं। इसलिए यही जड़ों का सही युग्म है।

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