Easy Math Class 12 Level 9

What is the formula for a·b?

a·b का formula क्या है?

Show answer and explanation
Correct Answer

C. |a||b|cosθ

Explanation

Step 1: Identify dot product. Step 2: Dot product is linked with cosine of the angle. so the correct option follows. Step 3: In exam questions apply the formula first.

Step 1: dot product पहचानें। Step 2: dot product angle के cosine से जुड़ा होता है। इसलिए सही विकल्प मिलता है। Step 3: ऐसे प्रश्नों में पहले सूत्र लगाएँ।

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