i dont understand question 21 a, after differentiation why did you get rid of the x^2
its factorized further because -4 is also known as -2 squared so you can use that property
Can u please do o/n paper 41 and 21, 2023 too? your videos r really helpful
Hi is there a way other than tracing paper to find the center of rotation ?
One question, for Q2, wouldnt the answer be 6:15AM because it starts at 9:43 pm and the journey ends 8 hours later
yes answer is 6 15 and she also rote 6 15 as the anser for q2
hello can you explain more on how 9a you can get 233.13?
There are no parts in #9
In #9 I used the concept of similar triangles 🔺️
Why did u subtract add and add?
34:59
Why did you write the second equation under the first one and then write subtract add and add at each terms???
Hi can you explain how u got 20 and not 19 in question 4 ?? I don’t understand how it’s 20
18 rounded to 20 not 19
Because 8 is more than 5 so and 1 in the digit at the tens place means add 1 in 1 so it is 2 and 8 turns to 0 so it becomes 20
Thanks so much you’re my favorite
You're welcome 😊