# How to do number 1, 4, 5 and 6?

6th:

Refer the similar question:

https://www.meritnation.com/ask-answer/question/if-the-roots-of-the-eq-x2-px-q-0are-tan-30-and-tan-15-then-f/complex-numbers-and-quadratic-equations/2922919

Please post single query ina thread

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