a) Simplify: (2 √3 +3 √2) (2√3 -3 √2)
b) Express 1.5121212.... in the form of
p/q
Answers
Answered by
1
Answer:
a)( a+b)(a-b)=a²-b²
2^3²-3^2²
12-18
=-6
Answered by
0
Answer:
a) (2× 1.732+3× 1.414) (2× 1.732-3× 1.414)
= (3.464+ 4.242) (3.464- 4.242)
= 7.706× (-0.778)
=−5.995268
b) 1.512121212...
= 15121212../ 1000000..
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