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let veca=hati+hatj+sqrt2hatk vecb=b1hat...

let `veca=hati_+hatj+sqrt2hatk` `vecb=b_1hati+b_2hatJ+sqrt2hatk` `vecc=5hati+hatj+sqrt2hatk` & `(veca+vecb)` is perpendicular to `vecc` and projection vector of `vecb` on `veca` is `veca` then find `|vecb|` (a) `6` (b) `sqrt(22)` (c) `sqrt(32)` (d) `11`

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JEE MAINS PREVIOUS YEAR ENGLISH-JEE MAINS-All Questions
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  3. let veca=hati+hatj+sqrt2hatk vecb=b1hati+b2hatJ+sqrt2hatk vecc=5hati+...

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  18. If |f(x)-f(y)|le2|x-y|^((3)/(2)) AAx,yinR and f(0)=1 then value of int...

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  19. Let I=inta^b (x^4−2x^2)dx for (a,b) which given integration is minimum...

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