is radical -9*-4 = radical -9 * radical -4 ? Justify
√((-9)(-4))
= √36
= 6
or
√((-9)(-4))
= (√-9)(√-4)
=(3i)(2i)
= 6i^2
= 6(-1)
= -6
so what do you think?
= √36
= 6
or
√((-9)(-4))
= (√-9)(√-4)
=(3i)(2i)
= 6i^2
= 6(-1)
= -6
so what do you think?