The planes `vecr.(2hati+3hatj-6hatk)=7 and vecr.((-2)/7hati-3/7hatj
Channel: Doubtnut
Date: 2020-04-12

The planes `vecr.(2hati+3hatj-6hatk)=7 and vecr.((-2)/7hati-3/7hatj+6/7hatk)=0` are (A) parallel (B) at righat angles (C) equidistant from origin (D) none of these