Q 4 please ans fast experts
Kindly refer the similar link for your query.
5) https://www.meritnation.com/ask-answer/question/if-x-1-x-8-find-the-value-of-x2-1-x2/algebraic-expressions-and-identities/8070985
https://www.meritnation.com/ask-answer/question/if-x-1-x-7-then-find-the-value-of-x3-1-x3/math/5745834
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5) https://www.meritnation.com/ask-answer/question/if-x-1-x-8-find-the-value-of-x2-1-x2/algebraic-expressions-and-identities/8070985
https://www.meritnation.com/ask-answer/question/if-x-1-x-7-then-find-the-value-of-x3-1-x3/math/5745834
For remaining queries we request you to post them in separate threads to have rapid assistance from our experts.
Regards