Question

find sum till n terms
1x3+3x5+5x7​

Answer 1

Answer:

53

Step-by-step explanation:

$3 + 15 + 35 \\ 3 + 50 \\ 53$

$<font colour="blue"><b><u><marquee behaviour="scroll"direction="right"=marquee scrollamount=150>□□□□□□□□□□☆☆■✷✿✷■☆☆□□□□□□□□□</marquee>$

$<font colour="blue"><b><u><marquee behaviour="scroll"direction="left"=marquee scrollamount=20>Hope it is clear to you please mark as brilliant answer 20 thanks❤=Inbox</p><p></marquee>$

$<font colour="orange"><b><u><marquee behaviour="scroll"direction="left"=marquee scrollamount=130>□□□□□□□□□□☆☆■✷✿✷■☆☆□□□□□□□□□</marquee>$