Find the zeros of y2 + 4√3y – 15.

Asked by gpnkumar0 | 17th Jun, 2017, 08:09: PM

Expert Answer:

begin mathsize 16px style straight y squared plus 4 square root of 3 straight y minus 15 rightwards double arrow straight y squared plus 5 square root of 3 straight y minus square root of 3 straight y minus 15 equals straight y open parentheses straight y plus 5 square root of 3 close parentheses minus square root of 3 open parentheses straight y plus 5 square root of 3 close parentheses equals open parentheses straight y plus 5 square root of 3 close parentheses open parentheses straight y minus square root of 3 close parentheses rightwards double arrow straight y plus 5 square root of 3 equals 0 space and space straight y minus square root of 3 equals 0 rightwards double arrow straight y equals negative 5 square root of 3 space and space straight y equals square root of 3 Hence comma space zeros space are space minus 5 square root of 3 space and space square root of 3. end style

Answered by Rashmi Khot | 17th Jun, 2017, 11:50: PM

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