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CBSE Class 11-science Answered

T h e space d i s tan c e space b e t w e e n space t h e space t w o space p o i n t s space left parenthesis a comma 1 comma 2 right parenthesis space a n d space left parenthesis 3 comma 4 comma 5 right parenthesis space i s space 7 space u n i t s. F i n d space t h e space v a l u e space o f space a ?Please provide solution to this question
Asked by Topperlearning User | 15 Nov, 2016, 11:42: PM
answered-by-expert Expert Answer

T h e space d i s tan e space b e t w e e n space left parenthesis a comma 1 comma 2 right parenthesis space a n d space left parenthesis 3 comma 4 comma 5 right parenthesis space i s space g i v e n space b y square root of open parentheses a minus 3 close parentheses squared plus left parenthesis 1 minus 4 right parenthesis squared plus left parenthesis 2 minus 5 right parenthesis squared end root equals 7 rightwards double arrow open parentheses a minus 3 close parentheses squared plus left parenthesis 1 minus 4 right parenthesis squared plus left parenthesis 2 minus 5 right parenthesis squared equals 49 rightwards double arrow a squared minus 6 a plus 9 plus 9 plus 9 equals 49 rightwards double arrow a squared minus 6 a minus 22 equals 0 rightwards double arrow a equals fraction numerator 6 plus-or-minus square root of 36 plus 4.22 end root over denominator 2 end fraction equals fraction numerator 6 plus-or-minus 2 square root of 31 over denominator 2 end fraction equals 3 plus-or-minus square root of 31

Answered by | 16 Nov, 2016, 01:42: AM

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CBSE 11-science - Maths
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