Question

the sum of 3 numbers in AP is 45. the product of last 2nos is 300. find the numbers

Answer 1

Answer:

45÷3=15 300÷15= 20

(2×3=6)20×6= 120

Answer 2

Answer:

let the number be a-d,a and a+d

Step-by-step explanation:

• a-d+a+a+d=45
• a=45/3=15
• $(a - d)a(a + d) = 45$
• $(15 - d)a(15 + d) = 45 \15 = 3$
• $(225 - d^{2} ) = 3$
• $- d { }^{2} = 3 - 225 = 222$

$- d = - 222(miness \: miness \: cancelled$

$d = 222$