Question

16. If x = (4 - 115), find the value of #
st"​

Answer 1

Answer:

answer is 8.

$(4 - \sqrt{15 } )+ 1 \div (4 - \sqrt{15} ) = \\( 16 + 15 - 8 \sqrt{15 } + 1) \div (4 - \sqrt{15 } ) \\ =( 32 - 8 \sqrt{15) } \div (4 - \sqrt{15} ) \\ = 8$