Math, asked by ashvathkumar7545, 7 months ago

plz answer my question fast without any wrong answer with all the steps​

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Answers

Answered by dkrakhi21
0

Step-by-step explanation:

hope it may help you

from wikipedia

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Answered by mohit810275133
0

Step-by-step explanation:

HEY MATE ..

28.

Questions ) 2x 2 +kx+ 2 =0

⇒2(1) 2 +k(1)+ 2=0

⇒2+k+ 2 =0

⇒k=−2− 2.

YOUR 27 NO. IS IN PIC SEE

29.

( a + b + c ) ^2 = a ^2 +b^2+c^2 + 2 ( ab + bc + ac )

( ab + bc + ac ) = - 20 /2 =10.

HOPE IT HELPS YOU

HOPE IT HELPS YOU 30 THANKS + FOLLOW =INBOX

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