Math, asked by nath67783, 3 months ago

यदि a=i-j+2k एवं b=3i+2j-k हो तो गयात करे

Answers

Answered by snehaprajnaindia204

7

Answer:

a = i - j + 2k

b = 3i +2j - k

a.b = (3×1)i + (-1×2)j + k(2× -1)

= 3i - 2j - 2k

!!

Step-by-step explanation:

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