✅ Session PDF for "JEE ADVANCED 2020 Paper-1 Maths Q16 Numeric Ans 108 Vectors Triangle Surendra Sir "
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➡️In a triangle 𝑃𝑄𝑅, let 𝑎⃗=𝑄𝑅⃗⃗⃗⃗⃗⃗,𝑏⃗⃗=𝑅𝑃⃗⃗⃗⃗⃗⃗ and 𝑐⃗=𝑃𝑄⃗⃗⃗⃗⃗⃗. If
|𝑎⃗|=3,|𝑏⃗⃗|=4 and 𝑎⃗⋅(𝑐⃗−𝑏⃗⃗)𝑐⃗⋅(𝑎⃗−𝑏⃗⃗)=|𝑎⃗||𝑎⃗|+|𝑏⃗⃗| , then the value of |𝑎⃗×𝑏⃗⃗|2 is _____
![](https://i.ytimg.com/vi/1Foej7VPAUQ/mqdefault.jpg)