Question

(0.6)4 – (0.5)4
(0.6)2 + (0.5)2 is equal to :​

Answer 1

(0.6)4 - (0.5)4 (0.6)2 - (0.5)2

= (2.4 - 2) (1.2 - 1)

= (0.4)(0.2)

= 0.08

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Answer 2

Answer:

((0.6)^2)^2-((0.5)^2)^2

(0.6)^2-(0.5)^2) ((0.6)^2+ ( 0.5)^2)=0

(0.36-0.25)(0.6)^2+(0.5)^2=0

0.6^2+0.5^2= 1/0.11

identity used: (a^2-b^2)= (a+b)(a-b)

or

0.6^2+0.5^2

0.36+0.25

0.61

this can be solved by two ways