p का वह मान ज्ञात कीजिए जिसके लिए दो वेक...

p का वह मान ज्ञात कीजिए जिसके लिए दो वेक्टर, `vecA = 2hati + 2hatj + p hatk` तथा `vecB = 2hati - 3hatj + hatk` परस्पर लंबवत हों |

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