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CBSE Class 12-science Answered



Find the shortest distance between the lines: and .


Asked by Topperlearning User | 25 Feb, 2015, 11:00: AM
Expert Answer

The given equations can be written as

r with rightwards arrow on top equals negative i with hat on top plus j with hat on top minus k with hat on top plus s open parentheses i with hat on top plus j with hat on top minus k with hat on top close parentheses space a n d space r with rightwards arrow on top equals i with hat on top minus j with hat on top plus 2 k with hat on top plus t open parentheses negative i with hat on top plus 2 j with hat on top plus k with hat on top close parentheses

therefore stack a subscript 1 with rightwards arrow on top equals negative i with hat on top plus j with hat on top minus k with hat on top comma space stack b subscript 1 with rightwards arrow on top equals i with hat on top plus j with hat on top minus k with hat on top
stack a subscript 2 with rightwards arrow on top equals i with hat on top minus j with hat on top plus 2 k with hat on top comma space b subscript 2 equals negative i with hat on top plus 2 j with hat on top plus k with hat on top
N o w space stack a subscript 2 with rightwards arrow on top minus stack a subscript 1 with rightwards arrow on top equals open parentheses i with hat on top minus j with hat on top plus 2 k with hat on top close parentheses minus open parentheses negative i with hat on top plus j with hat on top minus k with hat on top close parentheses equals 2 i with hat on top minus 2 j with hat on top plus 3 k with hat on top


Answered by | 25 Feb, 2015, 01:00: PM
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