1.

४ जी mo | a ‘8\‘9,“ =

Answer»

8r² = r + 2

In standard form

8r² - r - 2 = 0

Use quadratic formula

r = [-(-1) + or - √(-1)² - (-4)× (8) × (-2) ]/16

r = [ 1 + or - √(-63) ]/16

r = [ 1 or - √63 i ] /16



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