Question

The side BC of a AABC is produced, such
that D is on ray BC. The bisector of ZA
meets BC in L as shown in figure. Prove
that angle ABC + angleACD = 2angleALC.



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Answer 1

Answer:

If $x + \frac{1}{x} = 7$

then find the value of ${x}^{3} + \frac{1}{x {}^{3} }$