Find a synchronous solution of the form upper a cosine upper omega tplusupper b sine upper omega t to the given forced oscillator equation using the method ofâ insertion, collectingâ terms, and matching coefficients to solve for a and b.

The answer is celsius 

B.) falsehope this !

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts