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CBSE Class 10 Answered

If (3,3/4) is the mid-point of the line segment joining the points (k,O) and (7,3/2). Find value of k.
Asked by mkmishra101 | 21 Mar, 2017, 05:33: PM
answered-by-expert Expert Answer

begin mathsize 16px style Mid minus point space of space line space joining space points space open parentheses straight k comma 0 close parentheses space and space open parentheses 7 comma 3 over 2 close parentheses space is space open parentheses 3 comma 3 over 4 close parentheses. Hence comma space using space mid minus point space formula comma fraction numerator straight k plus 7 over denominator 2 end fraction equals 3 straight k plus 7 equals 6 straight k equals negative 1 end stylebegin mathsize 16px style Mid minus point space of space line space joining space points space open parentheses straight k comma 0 close parentheses space and space open parentheses 7 comma 3 over 2 close parentheses space is space open parentheses 3 comma 3 over 4 close parentheses. Hence comma space using space mid minus point space formula comma fraction numerator straight k plus 7 over denominator 2 end fraction equals 3 straight k plus 7 equals 6 straight k equals negative 1 end style

Answered by | 21 Mar, 2017, 05:38: PM

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