Question

plz explain me this who has explain who makes me brainleast answer. plz help me for study. ​

Answer 1

Answer:

ab = 180

Step-by-step explanation:

We know that

$(a + b) {}^{2} - (a - b) {}^{2} = 4ab$

$= > (36) {}^{2} - (24) {}^{2} = 4ab$

$= > (36 + 24)(36 - 24) = 4ab$

$= > 60 \times 12 = 4ab$

$= > ab = \frac{60 \times 12}{4}$

$= > ab \: = 60 \times 3$

$so \: \: ab \: = 180$