a. 4y √15y
b. 2y √30y
c. 6y √10y
d. 2y √15y
√60y^3
=√(4*15y^3)
=2y√(15y) answer//
answer is d.2y √15y
â60y^3
â4y^2 * â15y
2y â15y
following the RULES OF SURDS as I recall them, you first get:
rt 60y^3 = rt 60y*y^2
= y*rt(4*15y)
= y*rt(2^2 by 15y)
= 2y*rt( 1 by 15y )
= 2y*rt(15y)
I reckon the answer is d.
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Verified answer
√60y^3
=√(4*15y^3)
=2y√(15y) answer//
answer is d.2y √15y
â60y^3
â4y^2 * â15y
2y â15y
following the RULES OF SURDS as I recall them, you first get:
rt 60y^3 = rt 60y*y^2
= y*rt(4*15y)
= y*rt(2^2 by 15y)
= 2y*rt( 1 by 15y )
= 2y*rt(15y)
I reckon the answer is d.