Add a nagetive integer,we move to the_________
Eg. -6+ -5=
Move ______ steps _______ of -6
Subtract a positive integer,we move to the ________
Eg.2-9=
Move nine steps left of _________
Write the 5th and 6th terms of triangular numbers. What square number do we get if we add these two numbers?Plz give the answer with details and step by step.
Please check whether the steps are correct and help me complete the answer.
Add -13+2√5 and 25+6√3
=12+2√5+6√3
2(6+√5+3√3)