Math, asked by gktech, 1 year ago

For the value of K, the root of quadratic equation x ^ -2 (1 + 3k) x + 7 (3 + 2k) = 0 is 7.
please very urgent


Mckorra: Idk but you can always refer google

Answers

Answered by jasper0622
2

Put the value of x =7 and then solve

7^2+(1+3k)7+7(3+2k)=0

49+7+21k+21+14k=0

77+35k=0

7(11+5k)=0

11+5k=0

K= -11/5

.........:)

Attachments:

jasper0622: What?!!!
jasper0622: Wait lemme see where ive gone wrong
jasper0622: Yrr ive checked it twice
jasper0622: From which book u r seeing the answer
gktech: Answer K=2
jasper0622: Which book is it?
jasper0622: X ki power 2hai right..
jasper0622: Or -2
jasper0622: Listen isko solve krne ka method to ye hi hai
jasper0622: When u'll find the correct solution please do let me know
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