Question

Find a and d for an
and d for an A.P, 1,4,7,10​

Answer 1

$\huge{\underline{\underline{\sf{\red{Given\::}}}}}$

• $\sf{A.P.\:\rightarrow\:1,\:4,\:7,\:10,\:....}$

${ }$

$\huge{\underline{\underline{\sf{\red{Find\::}}}}}$

• $\sf{a\:\Rightarrow\:(First\:Term)}$
• $\sf{d\:\Rightarrow\:(Common\:difference)}$

${ }$

$\huge{\underline{\underline{\sf{\red{Solution\::}}}}}$

$\:\:\:\:\:\:\:\:\mapsto{\sf{First\:Term\:=\:a\:=\:{\bold{1}}}}$

$\:\:\:\:\:\:\:\:\mapsto{\sf{Common\:difference\:=\:d\:=\:4\:-\:1\:}}$

$\sf{\:\:\:\:\:\:\:\:\:\:\:\:\:\mapsto\:{\bold{3}}}$

Answer 2

Answer:

The heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps blood through the network of arteries and veins called the cardiovascular system.