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The product of sin 30° and sin 60° is same as the product of
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3x^3-x^2+6x-9

answers

\3. yes the presentation (i.e. odd numbers being written as differences of two squares) is possible for all odd natural number however the presentation may not be unique. for example,  57=112−82=292−28257=112−82=292−282.

\4. 2 can't be written as a difference of two squares because 4-1=3 and 1-1=0 and the difference of squares grows to integers larger that 3.

can i get some in proving questions 1 and 2?

anwser : 11.8 was his score

answer: no

step-by-step explanation: