Question

7.2
4 rationd ( n 0 s=frac{16}{20}, frac{17}{w}, frac{18}{20}, frac{19}{20} )
( therefore )
( 98=2 times 7 times 7 )
a) ( 3^{1 / 3}=10 / 3 ) and
Io ( ) log (15)=log (5 times 3) )
( 3^{2 / 3}=4 / 3 quad=log 5+log 3 )

# PRACTICE BOOK 5 AP& TS-X-MATHEMATICS Write whether the square of any positive integer can be of the form 3m+ where m is a natural number. Justify your answer. 6. Sol: 7. Write 98 as a product of its prime factors. Sol: 8. Insert 4 rational numbers between and 1 without using a to formula. Sol: 9. Write any two irrational numbers lying between 3 and 4. Sol: 0. Expand log 15. ol: on

Solution