ICSE Class 9 Answered
Which of the expressions, a=√3+√27, b =√8+√3 c =√2+50 and d =√12+√48 is the greatest?
Asked by aastharoy997 | 10 Mar, 2020, 10:20: AM
Expert Answer
The question should be
Which of the expressions a = √3 + √27, b = √8 + √3 c = √2 + √50 and d = √12 + √48
is the greatest?
a = √3 + √27 = √3 + 3√3 = 4√3
b = √8 + √3 = 2√2 + √3
c = √2 + √50 = √2 + 5√2 = 6√2
d = √12+√48 = 2√3 + 4√3 = 6√3
c < d. a < b and b < c
hence, a < b < d < d
The greatest number is d.
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